In September, Oss typically sees daytime highs of 19.0°C and overnight lows around 9.2°C. Compared to the annual average high of 13.4°C, September runs +5.5°C.
September in Oss averages a daytime high of 19.0°C and an overnight low of 9.2°C.
September runs +5.5°C compared to Oss's annual average high of 13.4°C, ranking #4 of 12 months by warmth.
Plan for daytime highs near 19.0°C and cooler evenings around 9.2°C.